the u.s. is currently negotiating for stronger united nations sanctions against north korea for its nuclear test earlier this month. >>> right now search crews in kansas city are racing against time severaliarching for a rest employee who is still missing after a blast. crews are searching through the rubble well cadaver dogs. they are looking for the missing woman. a construction crew working in the area hit a gas line last night around the same time the restaurant exploded. the blast and fire injured at least 14 people. two of them are in critical condition. >>> tom joins us now to talk about our weather and we've had a lot of chilly air in the last 24 hours, haven't we? >> is the cold getting old? >> yes, it's getting old. as long as it's not raining too, though. >> at least it's dry, anyway. we'll look at the bright side. last night at sunset, a beautiful rainbow popped up. this was posted at nbcwashington.com. thank you for that. and this morning we had a beautiful sunrise. that's called